<template>
  <div class="login_container">
    <!-- 登录 -->
    <div class="login_box">
      <img src="../assets/logo.png" class="avatar_box" alt="" />
      <!-- 表单区域 -->
      <el-form
        class="login_form"
        label-width="70px"
        :model="loginform"
        ref="form"
        :rules="ruleform"
      >
        <el-form-item label="用户名" prop="username">
          <el-input
            placeholder="请输入用户名"
            v-model="loginform.username"
            clearable
          >
            <i slot="prefix" class="el-input__icon el-icon-user"></i>
          </el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input
            placeholder="请输入密码"
            v-model="loginform.password"
            show-password
            clearable
          >
            <i slot="prefix" class="el-input__icon el-icon-lock"></i>
          </el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="warning" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginform: {
        username: "admin",
        password: "123456"
      },
      ruleform: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 5 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入用户密码", trigger: "blur" }
        ]
      }
    };
  },
  methods: {
    //   登录
    login() {
      // 验证收集的数据
      this.$refs.form.validate(async valid => {
        if (!valid) return;
        // 发送登录请求
        let { data: res } = await this.$axios.post("login", this.loginform);
        // 错误信息
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
        //成功
        this.$message.success("登录成功");
        // 本地存储
        sessionStorage.setItem("shop_userinfo", JSON.stringify(res.data));
        // 跳转到后台
        this.$router.push("/home");
      });
    },
    // 重置
    reset() {
      this.$refs.form.resetFields();
      console.log(this.$refs);
    }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b5b6b;
  height: 100vh;
}
.login_box {
  width: 450px;
  height: 300px;
  background: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>